3ym operating temperature

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Jun 13, 2009
82
Catalina C320 mk 2 Australia
Would any 320 owners (3ym Yanmar) be able to pass on the correct or what their boat operating temp is of the Yanmar? Cheers.
 
Sep 20, 2006
2,952
Hunter 33 Georgian Bay, Ontario, Canada
From the 3YM30 Service Manual. Hunter has been using these since 2004 in the H33 and H36.

Thermostat is set to open at 69.5 - 72.5C and wide open at 85C or 185F.
Overheat alarm is set to go off between 93-97 C or 199.4F - 206F.


Having problems? or just checking.
 
Jun 13, 2009
82
Catalina C320 mk 2 Australia
Thanks Scott, much appreciated. All good thanks to your info. I have just replaced belts, filters and swp impellor for a 3 year service at 200 hours and was interested for a comparison. Regards.
 
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